Home / 10,368,029.80-15,552,044.70-5,319,850.60

Finding the Fourth Proportional to 10,368,029.80, 15,552,044.70 and 5,319,850.60

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Solution

The fourth proportional to 10,368,029.80, 15,552,044.70 and 5,319,850.60 is: 7,979,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,029.80 : 15,552,044.70 = 5,319,850.60 : x
  2. Step 2: Convert to fraction form
    10,368,029.80/15,552,044.70 = 5,319,850.60/x
  3. Step 3: Cross multiply
    10,368,029.80x = 15,552,044.70 × 5,319,850.60
  4. Step 4: Simplify right side
    10,368,029.80x = 82,734,554,328,521.81
  5. Step 5: Solve for x
    x = 82,734,554,328,521.81/10,368,029.80
  6. Step 6: Final answer
    x = 7,979,775.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.